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Which compound contains both ionic and covalent bonds? (1) CaCO3 (3) MgF2 (2) PCl3 (4) CH2O
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Which compound contains both ionic and covalent

bonds?
(1) CaCO3 (3) MgF2
(2) PCl3 (4) CH2O

User WhiteleyJ
by
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1 Answer

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(1) CaCO3 is your answer. The positive ion is
\text{Ca}^{2+ and the negative radical ion is
\text{CO}_3^(-). There exists covalent bonds between the carbon and oxygen atoms in the
\text{CO}_3^(-).
User Hery
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